Trailer security accessory



FIG. 1 is a perspective view of a trailer security accessory showing my new design, the accessory being symmetrical about its vertical axis;

FIG. 2 is a side view of the trailer security accessory, it being understood that all side are identical;

FIG. 3 is a top plan view of the trailer security accessory; and,

FIG. 4 is a bottom plan view of the trailer security accessory. 

The ornamental design of a trailer security accessory, as shown and described. 